CVE-2021-1295 : What You Need to Know
Discover the details of CVE-2021-1295 involving critical remote code execution vulnerabilities in Cisco Small Business RV series routers. Learn about the impact, affected systems, and mitigation steps.
Cisco Small Business RV Series routers are affected by multiple vulnerabilities in their web-based management interface, potentially allowing remote code execution by unauthenticated attackers.
Understanding CVE-2021-1295
This CVE identifier refers to the remote code execution vulnerabilities found in Cisco Small Business RV160, RV160W, RV260, RV260P, and RV260W VPN Routers.
What is CVE-2021-1295?
The CVE-2021-1295 vulnerability pertains to the improper validation of HTTP requests in the web-based management interface of affected Cisco Small Business RV Series routers. This flaw could enable a remote, unauthenticated attacker to execute arbitrary code as the root user on the targeted device.
The Impact of CVE-2021-1295
With a CVSS v3.1 base score of 9.8 out of 10, this critical vulnerability poses a significant risk. If successfully exploited, it could allow attackers to gain full control over an affected device remotely.
Technical Details of CVE-2021-1295
The following technical details shed light on the vulnerability:
Vulnerability Description
The vulnerability arises due to the lack of proper validation for HTTP requests, which can be exploited by sending a crafted HTTP request to the device's web-based management interface, resulting in the execution of arbitrary code on the affected device.
Affected Systems and Versions
The Cisco Small Business RV160, RV160W, RV260, RV260P, and RV260W VPN Routers are impacted by this vulnerability.
Exploitation Mechanism
Attackers can exploit this vulnerability by sending malicious HTTP requests to the web-based management interface of the affected devices, enabling them to remotely execute arbitrary code.
Mitigation and Prevention
Considering the critical nature of CVE-2021-1295, immediate action is imperative:
Immediate Steps to Take
- Cisco has not reported any public announcements or known instances of exploitation. However, users are advised to remain vigilant.
Long-Term Security Practices
- Regularly monitor Cisco's security advisories for updates and patches.
Patching and Updates
- Apply patches provided by Cisco promptly to mitigate the risk of exploitation and enhance the security posture of the affected devices.